55256356 has 12 divisors (see below), whose sum is σ = 99057420. Its totient is φ = 26954240.

The previous prime is 55256329. The next prime is 55256371. The reversal of 55256356 is 65365255.

55256356 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 23716900 = 5616^2 + 4870^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168301 + ... + 168628.

It is an arithmetic number, because the mean of its divisors is an integer number (8254785).

Almost surely, 2^55256356 is an apocalyptic number.

It is an amenable number.

55256356 is a deficient number, since it is larger than the sum of its proper divisors (43801064).

55256356 is a wasteful number, since it uses less digits than its factorization.

55256356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336974 (or 336972 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

The square root of 55256356 is about 7433.4619121914. The cubic root of 55256356 is about 380.8851848037.

It can be divided in two parts, 5525 and 6356, that added together give a square (11881 = 109²).

The spelling of 55256356 in words is "fifty-five million, two hundred fifty-six thousand, three hundred fifty-six".